 The 38-tonners were powered by the Cummins L10 while those at 28- and 32-tonnes had Perkins, Cummins, or air-cooled Deutz diesels.The 7.49 tonne Cargos had Dorset and Dover fours or sixes, starting with a unit in the 0809.The Dover six-cylinder engines were mounted at a slant in the Cargo.